INCOME TAXES (Details 1) - USD ($) $ in Thousands	12 Months Ended
May 31, 2022	May 31, 2021	May 31, 2020
Federal income taxes:
Current	$ (59)	$ 163	$ 0
Deferred	0	0	0
State income taxes:
Current	(5)	13	(30)
Deferred	0	0	0
Foreign income taxes:
Current	(27)	1	(6)
Deferred	0	0	0
Income tax (expense) benefit	$ (91)	$ 177	$ (36)

Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction.

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